<html>
<head>
    <style>

        #test {
            position: absolute;
            top: 2000px;
            width: 100px;
            height: 100px;
            background-color: red;
        }
    </style>
</head>
<body>
<div id="test">asdf</div>

<script>
    console.log("FIXME:  document.body.offsetHeight: " + document.body.offsetHeight);
</script>
</body>
</html>
